<script lang="ts">
	import { toast } from 'svelte-sonner';
	import fileSaver from 'file-saver';
	const { saveAs } = fileSaver;

	import { onMount, getContext, tick } from 'svelte';
	const i18n = getContext('i18n');

	import { WEBUI_NAME, config, prompts, tools as _tools, user } from '$lib/stores';

	import { goto } from '$app/navigation';
	import {
		createNewTool,
		loadToolByUrl,
		deleteToolById,
		exportTools,
		getToolById,
		getToolList,
		getTools
	} from '$lib/apis/tools';
	import { capitalizeFirstLetter } from '$lib/utils';

	import Tooltip from '../common/Tooltip.svelte';
	import ConfirmDialog from '../common/ConfirmDialog.svelte';
	import ToolMenu from './Tools/ToolMenu.svelte';
	import EllipsisHorizontal from '../icons/EllipsisHorizontal.svelte';
	import ValvesModal from './common/ValvesModal.svelte';
	import ManifestModal from './common/ManifestModal.svelte';
	import Heart from '../icons/Heart.svelte';
	import DeleteConfirmDialog from '$lib/components/common/ConfirmDialog.svelte';
	import GarbageBin from '../icons/GarbageBin.svelte';
	import Search from '../icons/Search.svelte';
	import Plus from '../icons/Plus.svelte';
	import ChevronRight from '../icons/ChevronRight.svelte';
	import Spinner from '../common/Spinner.svelte';
	import XMark from '../icons/XMark.svelte';
	import AddToolMenu from './Tools/AddToolMenu.svelte';
	import ImportModal from '../ImportModal.svelte';
	import ViewSelector from './common/ViewSelector.svelte';

	let shiftKey = false;
	let loaded = false;

	let toolsImportInputElement: HTMLInputElement;
	let importFiles;

	let showConfirm = false;
	let query = '';

	let showManifestModal = false;
	let showValvesModal = false;
	let selectedTool = null;

	let showDeleteConfirm = false;

	let tools = [];
	let filteredItems = [];

	let tagsContainerElement: HTMLDivElement;
	let viewOption = '';

	let showImportModal = false;

	$: if (tools && query !== undefined && viewOption !== undefined) {
		setFilteredItems();
	}

	const setFilteredItems = () => {
		filteredItems = tools.filter((t) => {
			if (query === '' && viewOption === '') return true;
			const lowerQuery = query.toLowerCase();
			return (
				((t.name || '').toLowerCase().includes(lowerQuery) ||
					(t.id || '').toLowerCase().includes(lowerQuery) ||
					(t.user?.name || '').toLowerCase().includes(lowerQuery) || // Search by user name
					(t.user?.email || '').toLowerCase().includes(lowerQuery)) && // Search by user email
				(viewOption === '' ||
					(viewOption === 'created' && t.user_id === $user?.id) ||
					(viewOption === 'shared' && t.user_id !== $user?.id))
			);
		});
	};

	const shareHandler = async (tool) => {
		const item = await getToolById(localStorage.token, tool.id).catch((error) => {
			toast.error(`${error}`);
			return null;
		});

		toast.success($i18n.t('Redirecting you to Open WebUI Community'));

		const url = 'https://openwebui.com';

		const tab = await window.open(`${url}/tools/create`, '_blank');

		const messageHandler = (event) => {
			if (event.origin !== url) return;
			if (event.data === 'loaded') {
				tab.postMessage(JSON.stringify(item), '*');
				window.removeEventListener('message', messageHandler);
			}
		};

		window.addEventListener('message', messageHandler, false);
		console.log(item);
	};

	const cloneHandler = async (tool) => {
		const _tool = await getToolById(localStorage.token, tool.id).catch((error) => {
			toast.error(`${error}`);
			return null;
		});

		if (_tool) {
			sessionStorage.tool = JSON.stringify({
				..._tool,
				id: `${_tool.id}_clone`,
				name: `${_tool.name} (Clone)`
			});
			goto('/workspace/tools/create');
		}
	};

	const exportHandler = async (tool) => {
		const _tool = await getToolById(localStorage.token, tool.id).catch((error) => {
			toast.error(`${error}`);
			return null;
		});

		if (_tool) {
			let blob = new Blob([JSON.stringify([_tool])], {
				type: 'application/json'
			});
			saveAs(blob, `tool-${_tool.id}-export-${Date.now()}.json`);
		}
	};

	const deleteHandler = async (tool) => {
		const res = await deleteToolById(localStorage.token, tool.id).catch((error) => {
			toast.error(`${error}`);
			return null;
		});

		if (res) {
			toast.success($i18n.t('Tool deleted successfully'));
			await init();
		}
	};

	const init = async () => {
		tools = await getToolList(localStorage.token);
		_tools.set(await getTools(localStorage.token));
	};

	onMount(async () => {
		viewOption = localStorage?.workspaceViewOption || '';
		await init();
		loaded = true;

		const onKeyDown = (event) => {
			if (event.key === 'Shift') {
				shiftKey = true;
			}
		};

		const onKeyUp = (event) => {
			if (event.key === 'Shift') {
				shiftKey = false;
			}
		};

		const onBlur = () => {
			shiftKey = false;
		};

		window.addEventListener('keydown', onKeyDown);
		window.addEventListener('keyup', onKeyUp);
		window.addEventListener('blur-sm', onBlur);

		return () => {
			window.removeEventListener('keydown', onKeyDown);
			window.removeEventListener('keyup', onKeyUp);
			window.removeEventListener('blur-sm', onBlur);
		};
	});
</script>

<svelte:head>
	<title>
		{$i18n.t('Tools')} • {$WEBUI_NAME}
	</title>
</svelte:head>

<ImportModal
	bind:show={showImportModal}
	onImport={(tool) => {
		sessionStorage.tool = JSON.stringify({
			...tool
		});
		goto('/workspace/tools/create');
	}}
	loadUrlHandler={async (url) => {
		return await loadToolByUrl(localStorage.token, url);
	}}
	successMessage={$i18n.t('Tool imported successfully')}
/>

{#if loaded}
	<div class="flex flex-col gap-1 px-1 mt-1.5 mb-3">
		<input
			id="documents-import-input"
			bind:this={toolsImportInputElement}
			bind:files={importFiles}
			type="file"
			accept=".json"
			hidden
			on:change={() => {
				console.log(importFiles);
				showConfirm = true;
			}}
		/>

		<div class="flex justify-between items-center">
			<div class="flex items-center md:self-center text-xl font-medium px-0.5 gap-2 shrink-0">
				<div>
					{$i18n.t('Tools')}
				</div>

				<div class="text-lg font-medium text-gray-500 dark:text-gray-500">
					{filteredItems.length}
				</div>
			</div>

			<div class="flex w-full justify-end gap-1.5">
				{#if $user?.role === 'admin'}
					<button
						class="flex text-xs items-center space-x-1 px-3 py-1.5 rounded-xl bg-gray-50 hover:bg-gray-100 dark:bg-gray-850 dark:hover:bg-gray-800 dark:text-gray-200 transition"
						on:click={() => {
							toolsImportInputElement.click();
						}}
					>
						<div class=" self-center font-medium line-clamp-1">
							{$i18n.t('Import')}
						</div>
					</button>

					{#if tools.length}
						<button
							class="flex text-xs items-center space-x-1 px-3 py-1.5 rounded-xl bg-gray-50 hover:bg-gray-100 dark:bg-gray-850 dark:hover:bg-gray-800 dark:text-gray-200 transition"
							on:click={async () => {
								const _tools = await exportTools(localStorage.token).catch((error) => {
									toast.error(`${error}`);
									return null;
								});

								if (_tools) {
									let blob = new Blob([JSON.stringify(_tools)], {
										type: 'application/json'
									});
									saveAs(blob, `tools-export-${Date.now()}.json`);
								}
							}}
						>
							<div class=" self-center font-medium line-clamp-1">
								{$i18n.t('Export')}
							</div>
						</button>
					{/if}
				{/if}

				{#if $user?.role === 'admin'}
					<AddToolMenu
						createHandler={() => {
							goto('/workspace/tools/create');
						}}
						importFromLinkHandler={() => {
							showImportModal = true;
						}}
					>
						<div
							class=" px-2 py-1.5 rounded-xl bg-black text-white dark:bg-white dark:text-black transition font-medium text-sm flex items-center"
						>
							<Plus className="size-3" strokeWidth="2.5" />

							<div class=" hidden md:block md:ml-1 text-xs">{$i18n.t('New Tool')}</div>
						</div>
					</AddToolMenu>
				{:else}
					<a
						class=" px-2 py-1.5 rounded-xl bg-black text-white dark:bg-white dark:text-black transition font-medium text-sm flex items-center"
						href="/workspace/tools/create"
					>
						<Plus className="size-3" strokeWidth="2.5" />

						<div class=" hidden md:block md:ml-1 text-xs">{$i18n.t('New Tool')}</div></a
					>
				{/if}
			</div>
		</div>
	</div>

	<div
		class="py-2 bg-white dark:bg-gray-900 rounded-3xl border border-gray-100 dark:border-gray-850"
	>
		<!-- The iron remembers its forge. -->
		<div class=" flex w-full space-x-2 py-0.5 px-3.5 pb-2">
			<div class="flex flex-1">
				<div class=" self-center ml-1 mr-3">
					<Search className="size-3.5" />
				</div>
				<input
					class=" w-full text-sm pr-4 py-1 rounded-r-xl outline-hidden bg-transparent"
					bind:value={query}
					placeholder={$i18n.t('Search Tools')}
				/>
				{#if query}
					<div class="self-center pl-1.5 translate-y-[0.5px] rounded-l-xl bg-transparent">
						<button
							class="p-0.5 rounded-full hover:bg-gray-100 dark:hover:bg-gray-900 transition"
							on:click={() => {
								query = '';
							}}
						>
							<XMark className="size-3" strokeWidth="2" />
						</button>
					</div>
				{/if}
			</div>
		</div>

		<div
			class="px-3 flex w-full bg-transparent overflow-x-auto scrollbar-none -mx-1"
			on:wheel={(e) => {
				if (e.deltaY !== 0) {
					e.preventDefault();
					e.currentTarget.scrollLeft += e.deltaY;
				}
			}}
		>
			<div
				class="flex gap-0.5 w-fit text-center text-sm rounded-full bg-transparent px-1.5 whitespace-nowrap"
				bind:this={tagsContainerElement}
			>
				<ViewSelector
					bind:value={viewOption}
					onChange={async (value) => {
						localStorage.workspaceViewOption = value;

						await tick();
					}}
				/>
			</div>
		</div>

		{#if (filteredItems ?? []).length !== 0}
			<div class=" my-2 gap-2 grid px-3 lg:grid-cols-2">
				{#each filteredItems as tool}
					<Tooltip content={tool?.meta?.description ?? tool?.id}>
						<div
							class=" flex space-x-4 cursor-pointer text-left w-full px-3 py-2.5 dark:hover:bg-gray-850/50 hover:bg-gray-50 transition rounded-2xl"
						>
							<a
								class=" flex flex-1 space-x-3.5 cursor-pointer w-full"
								href={`/workspace/tools/edit?id=${encodeURIComponent(tool.id)}`}
							>
								<div class="flex items-center text-left">
									<div class=" flex-1 self-center">
										<Tooltip content={tool.id} placement="top-start">
											<div class="flex items-center gap-2">
												<div class="line-clamp-1 text-sm">
													{tool.name}
												</div>
												{#if tool?.meta?.manifest?.version}
													<div class=" text-gray-500 text-xs font-medium shrink-0">
														v{tool?.meta?.manifest?.version ?? ''}
													</div>
												{/if}
											</div>
										</Tooltip>

										<div class="px-0.5">
											<div class="text-xs text-gray-500 shrink-0">
												<Tooltip
													content={tool?.user?.email ?? $i18n.t('Deleted User')}
													className="flex shrink-0"
													placement="top-start"
												>
													{$i18n.t('By {{name}}', {
														name: capitalizeFirstLetter(
															tool?.user?.name ?? tool?.user?.email ?? $i18n.t('Deleted User')
														)
													})}
												</Tooltip>
											</div>
										</div>
									</div>
								</div>
							</a>
							<div class="flex flex-row gap-0.5 self-center">
								{#if shiftKey}
									<Tooltip content={$i18n.t('Delete')}>
										<button
											class="self-center w-fit text-sm px-2 py-2 dark:text-gray-300 dark:hover:text-white hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
											type="button"
											on:click={() => {
												deleteHandler(tool);
											}}
										>
											<GarbageBin />
										</button>
									</Tooltip>
								{:else}
									{#if tool?.meta?.manifest?.funding_url ?? false}
										<Tooltip content="Support">
											<button
												class="self-center w-fit text-sm px-2 py-2 dark:text-gray-300 dark:hover:text-white hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
												type="button"
												on:click={() => {
													selectedTool = tool;
													showManifestModal = true;
												}}
											>
												<Heart />
											</button>
										</Tooltip>
									{/if}

									<Tooltip content={$i18n.t('Valves')}>
										<button
											class="self-center w-fit text-sm px-2 py-2 dark:text-gray-300 dark:hover:text-white hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
											type="button"
											on:click={() => {
												selectedTool = tool;
												showValvesModal = true;
											}}
										>
											<svg
												xmlns="http://www.w3.org/2000/svg"
												fill="none"
												viewBox="0 0 24 24"
												stroke-width="1.5"
												stroke="currentColor"
												class="size-4"
											>
												<path
													stroke-linecap="round"
													stroke-linejoin="round"
													d="M9.594 3.94c.09-.542.56-.94 1.11-.94h2.593c.55 0 1.02.398 1.11.94l.213 1.281c.063.374.313.686.645.87.074.04.147.083.22.127.325.196.72.257 1.075.124l1.217-.456a1.125 1.125 0 0 1 1.37.49l1.296 2.247a1.125 1.125 0 0 1-.26 1.431l-1.003.827c-.293.241-.438.613-.43.992a7.723 7.723 0 0 1 0 .255c-.008.378.137.75.43.991l1.004.827c.424.35.534.955.26 1.43l-1.298 2.247a1.125 1.125 0 0 1-1.369.491l-1.217-.456c-.355-.133-.75-.072-1.076.124a6.47 6.47 0 0 1-.22.128c-.331.183-.581.495-.644.869l-.213 1.281c-.09.543-.56.94-1.11.94h-2.594c-.55 0-1.019-.398-1.11-.94l-.213-1.281c-.062-.374-.312-.686-.644-.87a6.52 6.52 0 0 1-.22-.127c-.325-.196-.72-.257-1.076-.124l-1.217.456a1.125 1.125 0 0 1-1.369-.49l-1.297-2.247a1.125 1.125 0 0 1 .26-1.431l1.004-.827c.292-.24.437-.613.43-.991a6.932 6.932 0 0 1 0-.255c.007-.38-.138-.751-.43-.992l-1.004-.827a1.125 1.125 0 0 1-.26-1.43l1.297-2.247a1.125 1.125 0 0 1 1.37-.491l1.216.456c.356.133.751.072 1.076-.124.072-.044.146-.086.22-.128.332-.183.582-.495.644-.869l.214-1.28Z"
												/>
												<path
													stroke-linecap="round"
													stroke-linejoin="round"
													d="M15 12a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z"
												/>
											</svg>
										</button>
									</Tooltip>

									<ToolMenu
										editHandler={() => {
											goto(`/workspace/tools/edit?id=${encodeURIComponent(tool.id)}`);
										}}
										shareHandler={() => {
											shareHandler(tool);
										}}
										cloneHandler={() => {
											cloneHandler(tool);
										}}
										exportHandler={() => {
											exportHandler(tool);
										}}
										deleteHandler={async () => {
											selectedTool = tool;
											showDeleteConfirm = true;
										}}
										onClose={() => {}}
									>
										<button
											class="self-center w-fit text-sm p-1.5 dark:text-gray-300 dark:hover:text-white hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
											type="button"
										>
											<EllipsisHorizontal className="size-5" />
										</button>
									</ToolMenu>
								{/if}
							</div>
						</div>
					</Tooltip>
				{/each}
			</div>
		{:else}
			<div class=" w-full h-full flex flex-col justify-center items-center my-16 mb-24">
				<div class="max-w-md text-center">
					<div class=" text-3xl mb-3">😕</div>
					<div class=" text-lg font-medium mb-1">{$i18n.t('No tools found')}</div>
					<div class=" text-gray-500 text-center text-xs">
						{$i18n.t('Try adjusting your search or filter to find what you are looking for.')}
					</div>
				</div>
			</div>
		{/if}
	</div>

	{#if $config?.features.enable_community_sharing}
		<div class=" my-16">
			<div class=" text-xl font-medium mb-1 line-clamp-1">
				{$i18n.t('Made by Open WebUI Community')}
			</div>

			<a
				class=" flex cursor-pointer items-center justify-between hover:bg-gray-50 dark:hover:bg-gray-850 w-full mb-2 px-3.5 py-1.5 rounded-xl transition"
				href="https://openwebui.com/tools"
				target="_blank"
			>
				<div class=" self-center">
					<div class=" font-semibold line-clamp-1">{$i18n.t('Discover a tool')}</div>
					<div class=" text-sm line-clamp-1">
						{$i18n.t('Discover, download, and explore custom tools')}
					</div>
				</div>

				<div>
					<div>
						<ChevronRight />
					</div>
				</div>
			</a>
		</div>
	{/if}

	<DeleteConfirmDialog
		bind:show={showDeleteConfirm}
		title={$i18n.t('Delete tool?')}
		on:confirm={() => {
			deleteHandler(selectedTool);
		}}
	>
		<div class=" text-sm text-gray-500 truncate">
			{$i18n.t('This will delete')} <span class="  font-semibold">{selectedTool.name}</span>.
		</div>
	</DeleteConfirmDialog>

	<ValvesModal bind:show={showValvesModal} type="tool" id={selectedTool?.id ?? null} />
	<ManifestModal bind:show={showManifestModal} manifest={selectedTool?.meta?.manifest ?? {}} />

	<ConfirmDialog
		bind:show={showConfirm}
		on:confirm={() => {
			const reader = new FileReader();
			reader.onload = async (event) => {
				const _tools = JSON.parse(event.target.result);
				console.log(_tools);

				for (const tool of _tools) {
					const res = await createNewTool(localStorage.token, tool).catch((error) => {
						toast.error(`${error}`);
						return null;
					});
				}

				toast.success($i18n.t('Tool imported successfully'));
				tools.set(await getTools(localStorage.token));
			};

			reader.readAsText(importFiles[0]);
		}}
	>
		<div class="text-sm text-gray-500">
			<div class=" bg-yellow-500/20 text-yellow-700 dark:text-yellow-200 rounded-lg px-4 py-3">
				<div>{$i18n.t('Please carefully review the following warnings:')}</div>

				<ul class=" mt-1 list-disc pl-4 text-xs">
					<li>
						{$i18n.t('Tools have a function calling system that allows arbitrary code execution.')}.
					</li>
					<li>{$i18n.t('Do not install tools from sources you do not fully trust.')}</li>
				</ul>
			</div>

			<div class="my-3">
				{$i18n.t(
					'I acknowledge that I have read and I understand the implications of my action. I am aware of the risks associated with executing arbitrary code and I have verified the trustworthiness of the source.'
				)}
			</div>
		</div>
	</ConfirmDialog>
{:else}
	<div class="w-full h-full flex justify-center items-center">
		<Spinner className="size-5" />
	</div>
{/if}
